Tracing method and apparatus for distributed environments

Abstract

A method and apparatus in a distributed processing environment for tracing events includes receiving a request to trace an event on a local processor, acquiring a sequence identifier associated with the local processor that associates the event with a chronological sequence of events on the local processor, storing the sequence identifier and information about the event in a local event trace associated with the local processor, providing the sequence identifer and information about the event to a remote processor for storage in a remote event trace. Consolidating the event traces from multiple processors into a single chronological event trace includes accessing a local event trace having one or more local trace events associated with the local processor, identifying a trace event entry having a local sequence identifier and referencing a remote processor, accessing a remote event trace associated with the remote processor and having a remote trace event entry matching the local sequence identifier, comparing the remote trace event entry with the local sequence identifier and one or more local trace events in the local event trace, and inserting the remote trace event entry into the local event trace based upon the comparison.

Description

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AI Technical Summary

Benefits of technology

The present invention allows for the consolidation of event traces from multiple processors. This involves accessing local event traces from a local processor and remote event traces from a remote processor. By comparing the local and remote event traces, the remote trace event entry can be inserted into the local event trace based on the comparison. This results in a single chronological event trace that includes information from multiple processors.

Problems solved by technology

The patent text discusses the importance of tracing systems in development and the challenges in using them in multiprocessor or distributed processing environments. The technical problem addressed is the lack of adequate tracing systems which makes it difficult to create high-speed and reliable distributed processing systems.

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